Topic

Integer overflow and underflow bugs

Arithmetic errors where a value wraps past the limits of its integer type, often producing oversized lengths that lead to memory-safety faults.

Current clusters

build1 publisher

A single unauthenticated packet crashes TDengine's taosd through an integer underflow

Ridge Security disclosed CVE-2026-42542, an integer underflow that lets one unauthenticated packet to TCP/6030 crash TDengine's taosd process. Repeated packets keep it in a restart loop, and TDengine fixed it in version 3.4.1.6.

Publishers:dev.to

Reality

Evidence55
Adoption: Insufficient
Hype gap+10
Incentives40
Confidence55